Platinum (Pt) hard

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Description

The group of platinum metals includes the elements ruthenium (Ru), rhodium (Rh), palladium (Pd) (light platinum metals with densities around 12 g/cm³) as well as osmium (Os), iridium (Ir) and platinum (Pt) ( heavy platinum metals with densities up to 22 g/cm³). Platinum is a gray-white malleable metal that melts at 1772°C and has a boiling point of 3827°C. Platinum is machinable, roll-plating galvanic and can be separated from the gas phase. Application: Jewelery, in the automotive, chemical, petrochemical and pharmaceutical industries. Other important fields of application are the glass industry (melting furnaces, spinnerets, electrodes, crucibles for melt digestion of minerals and ferroalloys (also in fine grain stabilized form), crucibles and trays for the ashing and coking of organic matter (also in fine grain stabilized form), for peeling and evaporation of liquids, for electrodes in electroanalysis and potential measurement as well as for porous discs in filtration. Pt is also used as contact material. Pt has almost exactly the same coefficient of expansion as glass, so that it can melt completely tightly into glass and the electrical measuring technique (Pt and Pt / Rh thermocouples). Laboratory equipment such as pots and bowls are hardly made of pure platinum anymore.

Related Standards

Degussa

Los datos sobre este material han sido proporcionados por WIAM.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

Property	Temperature	Value
Densidad	20.0 °C	21.5 g/cm³ Show Material materials with Densidad of 21.5 g/cm³

Mecánica

Property	Temperature	Value
Coeficiente de Poisson	20.0 °C	0.39 [-] Show Material materials with Coeficiente de Poisson of 0.39 [-]
Dureza Vickers	20.0 °C	100 [-] Show Material materials with Dureza Vickers of 100 [-]
Límite elástico	20.0 °C	185 MPa Show Material materials with Límite elástico of 185 MPa
Módulo de cizallamiento	20.0 °C	67 GPa Show Material materials with Módulo de cizallamiento of 67 GPa
Módulo elástico	-195.0 °C	178 GPa Show Material materials with Módulo elástico of 178 GPa
	20.0 °C	170 - 173 GPa Show Material materials with Módulo elástico of 170 - 173 GPa
	250.0 °C	169 GPa Show Material materials with Módulo elástico of 169 GPa
	400.0 °C	163 GPa Show Material materials with Módulo elástico of 163 GPa
	500.0 °C	159 GPa Show Material materials with Módulo elástico of 159 GPa
	600.0 °C	153 GPa Show Material materials with Módulo elástico of 153 GPa
	750.0 °C	140 GPa Show Material materials with Módulo elástico of 140 GPa
	800.0 °C	136 GPa Show Material materials with Módulo elástico of 136 GPa
	900.0 °C	126 GPa Show Material materials with Módulo elástico of 126 GPa
	1000.0 °C	115 GPa Show Material materials with Módulo elástico of 115 GPa

Resistencia a la tracción	20.0 °C	200 - 300 MPa Show Material materials with Resistencia a la tracción of 200 - 300 MPa

Aplicaciones térmicas

Property	Temperature	Value	Comment
Calor específico	23.0 °C	136 J/(kg·K) Show Material materials with Calor específico of 136 J/(kg·K)	Typical for Platinum
Coeficiente de dilatación térmica	100.0 °C	9.1E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.1E-6 1/K
	200.0 °C	9.2E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.2E-6 1/K
	300.0 °C	9.3E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.3E-6 1/K
	400.0 °C	9.5E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.5E-6 1/K
	500.0 °C	9.6E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.6E-6 1/K
	600.0 °C	9.7E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.7E-6 1/K
	700.0 °C	9.9E-6 1/K Show Material materials with Coeficiente de dilatación térmica of 9.9E-6 1/K
	800.0 °C	1E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1E-5 1/K
	900.0 °C	1.01E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.01E-5 1/K
	1000.0 °C	1.03E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.03E-5 1/K
	1100.0 °C	1.05E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.05E-5 1/K
	1200.0 °C	1.06E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.06E-5 1/K
	1300.0 °C	1.08E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.08E-5 1/K
	1400.0 °C	1.1E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.1E-5 1/K
	1500.0 °C	1.12E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.12E-5 1/K
	1600.0 °C	1.14E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.14E-5 1/K
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Conductividad térmica	-173.0 °C	85.6 W/(m·K) Show Material materials with Conductividad térmica of 85.6 W/(m·K)
	-73.0 °C	79 W/(m·K) Show Material materials with Conductividad térmica of 79 W/(m·K)
	20.0 °C	74 W/(m·K) Show Material materials with Conductividad térmica of 74 W/(m·K)
	127.0 °C	73.2 W/(m·K) Show Material materials with Conductividad térmica of 73.2 W/(m·K)
	327.0 °C	73 W/(m·K) Show Material materials with Conductividad térmica of 73 W/(m·K)
	527.0 °C	74.8 W/(m·K) Show Material materials with Conductividad térmica of 74.8 W/(m·K)
	727.0 °C	76.9 W/(m·K) Show Material materials with Conductividad térmica of 76.9 W/(m·K)
	927.0 °C	83.2 W/(m·K) Show Material materials with Conductividad térmica of 83.2 W/(m·K)
	1127.0 °C	88.3 W/(m·K) Show Material materials with Conductividad térmica of 88.3 W/(m·K)
	1327.0 °C	89.5 W/(m·K) Show Material materials with Conductividad térmica of 89.5 W/(m·K)
	1527.0 °C	89 W/(m·K) Show Material materials with Conductividad térmica of 89 W/(m·K)
	1727.0 °C	86 W/(m·K) Show Material materials with Conductividad térmica of 86 W/(m·K)
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Temperatura de fusión		1769 °C Show Material materials with Temperatura de fusión of 1769 °C	Typical for Platinum

Eléctrico

Property	Temperature	Value
Conductividad eléctrica	20.0 °C	9.40E+6 S/m Show Material materials with Conductividad eléctrica of 9.40E+6 S/m
Resistividad eléctrica	20.0 °C	1.16E-7 Ω·m Show Material materials with Resistividad eléctrica of 1.16E-7 Ω·m

Chemical properties

Property	Value
Platino	99.5 - 99.99 % Show Material materials with Platino of 99.5 - 99.99 %

Platinum (Pt) hard

Description

Related Standards

Ashby charts

Lectura sugerida

Propiedades